"These two — we’re going to end up in our 90s — and I hate to sound morbid but it’s going to be one of those things where we are so connected that once (I die) then she is going to pass one minute later. It’s going to be the ultimate romantic ending for us. And I hate to even put that out there because I think these two are so eternal and so universal.”

But he imagines a lot more than that before they share that "Notebook"-worthy ending.

Warner Bros.

According to Patterson, Luke still has a lot of work ahead of him.

“In 10 years, I really think he is still going to be running that diner," he said. "He may have a couple of other franchises at that point and be a big time CEO. I think he will still be doing the same thing because that’s Luke; he’s got to pay the bills."